Golang cobra.Command类代码示例

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本文整理汇总了Golang中github.com/coreos/rkt/Godeps/_workspace/src/github.com/spf13/cobra.Command类的典型用法代码示例。如果您正苦于以下问题：Golang Command类的具体用法？Golang Command怎么用？Golang Command使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

在下文中一共展示了Command类的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Golang代码示例。

示例1: runCatManifest

func runCatManifest(cmd *cobra.Command, args []string) (exit int) {
	if len(args) != 1 {
		cmd.Usage()
		return 1
	}

	pod, err := getPodFromUUIDString(args[0])
	if err != nil {
		stderr("cat-manifest: problem retrieving pod: %v", err)
		return 1
	}
	defer pod.Close()

	manifest, err := pod.getManifest()
	if err != nil {
		return 1
	}

	var b []byte
	if flagPMPrettyPrint {
		b, err = json.MarshalIndent(manifest, "", "\t")
	} else {
		b, err = json.Marshal(manifest)
	}
	if err != nil {
		stderr("cat-manifest: cannot read the pod manifest: %v", err)
		return 1
	}

	stdout(string(b))
	return 0
}

开发者ID:matomesc，项目名称:rkt，代码行数:32，代码来源:cat_manifest.go

示例2: runStatus

func runStatus(cmd *cobra.Command, args []string) (exit int) {
	if len(args) != 1 {
		cmd.Usage()
		return 1
	}

	p, err := getPodFromUUIDString(args[0])
	if err != nil {
		stderr("Problem retrieving pod: %v", err)
		return 1
	}
	defer p.Close()

	if flagWait {
		if err := p.waitExited(); err != nil {
			stderr("Unable to wait for pod: %v", err)
			return 1
		}
	}

	if err = printStatus(p); err != nil {
		stderr("Unable to print status: %v", err)
		return 1
	}

	return 0
}

开发者ID:matomesc，项目名称:rkt，代码行数:27，代码来源:status.go

示例3: runTrust

func runTrust(cmd *cobra.Command, args []string) (exit int) {
	if flagPrefix == "" && !flagRoot {
		if len(args) != 0 {
			stderr("--root required for non-prefixed (root) keys")
		} else {
			cmd.Usage()
		}
		return 1
	}

	if flagPrefix != "" && flagRoot {
		stderr("--root and --prefix usage mutually exclusive")
		return 1
	}

	// if the user included a scheme with the prefix, error on it
	u, err := url.Parse(flagPrefix)
	if err == nil && u.Scheme != "" {
		stderr("--prefix must not contain a URL scheme, omit %s://", u.Scheme)
		return 1
	}

	pkls, err := getPubKeyLocations(flagPrefix, args)
	if err != nil {
		stderr("Error determining key location: %v", err)
		return 1
	}

	if err := addKeys(pkls, flagPrefix); err != nil {
		stderr("Error adding keys: %v", err)
		return 1
	}

	return 0
}

开发者ID:fdserr，项目名称:rkt，代码行数:35，代码来源:trust.go

示例4: runRm

func runRm(cmd *cobra.Command, args []string) (exit int) {
	var podUUID *types.UUID
	var err error

	switch {
	case len(args) == 0 && flagUUIDFile != "":
		podUUID, err = readUUIDFromFile(flagUUIDFile)
		if err != nil {
			stderr("Unable to read UUID from file: %v", err)
			return 1
		}

	case len(args) == 1 && flagUUIDFile == "":
		podUUID, err = resolveUUID(args[0])
		if err != nil {
			stderr("Unable to resolve UUID: %v", err)
			return 1
		}
	default:
		cmd.Usage()
		return 1
	}

	p, err := getPod(podUUID)
	if err != nil {
		stderr("Cannot get pod: %v", err)
		return 1
	}

	return removePod(p)
}

开发者ID:krieg，项目名称:rkt，代码行数:31，代码来源:rm.go

示例5: runStatus

func runStatus(cmd *cobra.Command, args []string) (exit int) {
	if len(args) != 1 {
		cmd.Usage()
		return 1
	}

	podUUID, err := resolveUUID(args[0])
	if err != nil {
		stderr("Unable to resolve UUID: %v", err)
		return 1
	}

	p, err := getPod(podUUID)
	if err != nil {
		stderr("Unable to get pod: %v", err)
		return 1
	}
	defer p.Close()

	if flagWait {
		if err := p.waitExited(); err != nil {
			stderr("Unable to wait for pod: %v", err)
			return 1
		}
	}

	if err = printStatus(p); err != nil {
		stderr("Unable to print status: %v", err)
		return 1
	}

	return 0
}

开发者ID:NeilW，项目名称:rkt，代码行数:33，代码来源:status.go

示例6: runTrust

func runTrust(cmd *cobra.Command, args []string) (exit int) {
	if globalFlags.InsecureSkipVerify {
		// --insecure-skip-verify disable the keystore but we need it for rkt trust
		stderr("--insecure-skip-verify cannot be used with rkt trust")
		return 1
	}

	if flagPrefix == "" && !flagRoot {
		if len(args) != 0 {
			stderr("--root required for non-prefixed (root) keys")
		} else {
			cmd.Usage()
		}
		return 1
	}

	if flagPrefix != "" && flagRoot {
		stderr("--root and --prefix usage mutually exclusive")
		return 1
	}

	ks := getKeystore()
	if ks == nil {
		stderr("could not get the keystore")
		return 1
	}

	// if the user included a scheme with the prefix, error on it
	u, err := url.Parse(flagPrefix)
	if err == nil && u.Scheme != "" {
		stderr("--prefix must not contain a URL scheme, omit %s://", u.Scheme)
		return 1
	}

	pkls := args
	m := &pubkey.Manager{
		InsecureAllowHttp:  flagAllowHTTP,
		TrustKeysFromHttps: globalFlags.TrustKeysFromHttps,
		Ks:                 ks,
		Debug:              globalFlags.Debug,
	}
	if len(pkls) == 0 {
		pkls, err = m.GetPubKeyLocations(flagPrefix)
		if err != nil {
			stderr("Error determining key location: %v", err)
			return 1
		}
	}

	acceptOpt := pubkey.AcceptAsk
	if globalFlags.InsecureSkipVerify {
		acceptOpt = pubkey.AcceptForce
	}
	if err := m.AddKeys(pkls, flagPrefix, acceptOpt, pubkey.OverrideDeny); err != nil {
		stderr("Error adding keys: %v", err)
		return 1
	}

	return 0
}

开发者ID:ngorskig，项目名称:rkt，代码行数:60，代码来源:trust.go

示例7: runImageImport

func runImageImport(cmd *cobra.Command, args []string) (exit int) {
	if len(args) != 2 {
		cmd.Usage()
		return 1
	}

	outFile := args[1]
	ext := filepath.Ext(outFile)
	if ext != schema.ACIExtension {
		stderr("rkt: Extension must be %s (given %s)", schema.ACIExtension, ext)
		return 1
	}

	aciImgPath, err := oci2aciImage(args[0])
	if err != nil {
		stderr("rkt: oci2aci failed: %s", err)
		return 1
	}

	if err = run(exec.Command("mv", aciImgPath, args[1])); err != nil {
		return 1
	}

	return 0
}

开发者ID:ChengTiesheng，项目名称:rkt-image-import，代码行数:25，代码来源:image_import.go

示例8: runImageImport

func runImageImport(cmd *cobra.Command, args []string) (exit int) {
	if len(args) != 1 {
		cmd.Usage()
		return 1
	}

	//convert oci bundle to aci image
	aciImage, err := oci2aci.Oci2aciImage(args[0])
	if err != nil {
		fmt.Printf("oci2aci failed: %v", err)
		return 1
	}

	//save aci to rkt store
	s, err := store.NewStore(globalFlags.Dir)
	if err != nil {
		fmt.Printf("cannot open store: %v", err)
		return 1
	}
	aciFile, err := os.Open(aciImage)
	if err != nil {
		fmt.Printf("opening ACI file %s failed: %v", aciImage, err)
		return 1
	}
	key, err := s.WriteACI(aciFile, true)
	if err != nil {
		fmt.Printf("write ACI file failed: %v", err)
		return 1
	}
	fmt.Println(key)
	return 0
}

开发者ID:liugenping，项目名称:rkt，代码行数:32，代码来源:image_importoci.go

示例9: runFetch

func runFetch(cmd *cobra.Command, args []string) (exit int) {
	if err := parseApps(&rktApps, args, cmd.Flags(), false); err != nil {
		stderr("fetch: unable to parse arguments: %v", err)
		return 1
	}

	if rktApps.Count() < 1 {
		stderr("fetch: must provide at least one image")
		return 1
	}

	if flagStoreOnly && flagNoStore {
		stderr("both --store-only and --no-store specified")
		return 1
	}

	s, err := store.NewStore(getDataDir())
	if err != nil {
		stderr("fetch: cannot open store: %v", err)
		return 1
	}
	ks := getKeystore()
	config, err := getConfig()
	if err != nil {
		stderr("fetch: cannot get configuration: %v", err)
		return 1
	}
	ft := &image.Fetcher{
		S:                  s,
		Ks:                 ks,
		Headers:            config.AuthPerHost,
		DockerAuth:         config.DockerCredentialsPerRegistry,
		InsecureFlags:      globalFlags.InsecureFlags,
		Debug:              globalFlags.Debug,
		TrustKeysFromHTTPS: globalFlags.TrustKeysFromHTTPS,

		StoreOnly: flagStoreOnly,
		NoStore:   flagNoStore,
		WithDeps:  true,
	}

	err = rktApps.Walk(func(app *apps.App) error {
		hash, err := ft.FetchImage(app.Image, app.Asc, app.ImType)
		if err != nil {
			return err
		}
		if !flagFullHash {
			hash = types.ShortHash(hash)
		}
		stdout(hash)
		return nil
	})
	if err != nil {
		stderr("%v", err)
		return 1
	}

	return
}

开发者ID:mischief，项目名称:rkt，代码行数:59，代码来源:fetch.go

示例10: getSubCommands

func getSubCommands(cmd *cobra.Command) []*cobra.Command {
	subCommands := []*cobra.Command{}
	for _, subCmd := range cmd.Commands() {
		subCommands = append(subCommands, subCmd)
		subCommands = append(subCommands, getSubCommands(subCmd)...)
	}
	return subCommands
}

开发者ID:NeilW，项目名称:rkt，代码行数:8，代码来源:help.go

示例11: runImageCatManifest

func runImageCatManifest(cmd *cobra.Command, args []string) (exit int) {
	if len(args) != 1 {
		cmd.Usage()
		return 1
	}

	s, err := store.NewStore(globalFlags.Dir)
	if err != nil {
		stderr("image cat-manifest: cannot open store: %v", err)
		return 1
	}

	var key string
	if _, err := types.NewHash(args[0]); err == nil {
		key, err = s.ResolveKey(args[0])
		if err != nil {
			stderr("image cat-manifest: cannot resolve key: %v", err)
			return 1
		}
	} else {
		app, err := discovery.NewAppFromString(args[0])
		if err != nil {
			stderr("image cat-manifest: cannot parse the image name: %v", err)
			return 1
		}
		labels, err := types.LabelsFromMap(app.Labels)
		if err != nil {
			stderr("image cat-manifest: invalid labels in the name: %v", err)
			return 1
		}
		key, err = s.GetACI(app.Name, labels)
		if err != nil {
			stderr("image cat-manifest: cannot find image: %v", err)
			return 1
		}
	}

	manifest, err := s.GetImageManifest(key)
	if err != nil {
		stderr("image cat-manifest: cannot get image manifest: %v", err)
		return 1
	}

	var b []byte
	if flagPrettyPrint {
		b, err = json.MarshalIndent(manifest, "", "\t")
	} else {
		b, err = json.Marshal(manifest)
	}
	if err != nil {
		stderr("image cat-manifest: cannot read the image manifest: %v", err)
		return 1
	}

	stdout(string(b))
	return 0
}

开发者ID:danieltaborda，项目名称:rkt，代码行数:57，代码来源:image_cat_manifest.go

示例12: runFetch

func runFetch(cmd *cobra.Command, args []string) (exit int) {
	if err := parseApps(&rktApps, args, cmd.Flags(), false); err != nil {
		stderr("fetch: unable to parse arguments: %v", err)
		return 1
	}

	if rktApps.Count() < 1 {
		stderr("fetch: must provide at least one image")
		return 1
	}

	if flagStoreOnly && flagNoStore {
		stderr("both --store-only and --no-store specified")
		return 1
	}

	s, err := store.NewStore(globalFlags.Dir)
	if err != nil {
		stderr("fetch: cannot open store: %v", err)
		return 1
	}
	ks := getKeystore()
	config, err := getConfig()
	if err != nil {
		stderr("fetch: cannot get configuration: %v", err)
		return 1
	}
	ft := &fetcher{
		imageActionData: imageActionData{
			s:                  s,
			ks:                 ks,
			headers:            config.AuthPerHost,
			dockerAuth:         config.DockerCredentialsPerRegistry,
			insecureSkipVerify: globalFlags.InsecureSkipVerify,
			debug:              globalFlags.Debug,
		},
		storeOnly: flagStoreOnly,
		noStore:   flagNoStore,
		withDeps:  true,
	}

	err = rktApps.Walk(func(app *apps.App) error {
		hash, err := ft.fetchImage(app.Image, app.Asc)
		if err != nil {
			return err
		}
		shortHash := types.ShortHash(hash)
		stdout(shortHash)
		return nil
	})
	if err != nil {
		stderr("%v", err)
		return 1
	}

	return
}

开发者ID:NeilW，项目名称:rkt，代码行数:57，代码来源:fetch.go

示例13: runEnter

func runEnter(cmd *cobra.Command, args []string) (exit int) {
	if len(args) < 1 {
		cmd.Usage()
		return 1
	}

	p, err := getPodFromUUIDString(args[0])
	if err != nil {
		stderr("Problem problem retrieving pod: %v", err)
		return 1
	}
	defer p.Close()

	if !p.isRunning() {
		stderr("Pod %q isn't currently running", p.uuid)
		return 1
	}

	podPID, err := p.getContainerPID1()
	if err != nil {
		stderr("Unable to determine the pid for pod %q: %v", p.uuid, err)
		return 1
	}

	appName, err := getAppName(p)
	if err != nil {
		stderr("Unable to determine app name: %v", err)
		return 1
	}

	argv, err := getEnterArgv(p, args)
	if err != nil {
		stderr("Enter failed: %v", err)
		return 1
	}

	s, err := store.NewStore(getDataDir())
	if err != nil {
		stderr("Cannot open store: %v", err)
		return 1
	}

	stage1TreeStoreID, err := p.getStage1TreeStoreID()
	if err != nil {
		stderr("Error getting stage1 treeStoreID: %v", err)
		return 1
	}

	stage1RootFS := s.GetTreeStoreRootFS(stage1TreeStoreID)

	if err = stage0.Enter(p.path(), podPID, *appName, stage1RootFS, argv); err != nil {
		stderr("Enter failed: %v", err)
		return 1
	}
	// not reached when stage0.Enter execs /enter
	return 0
}

开发者ID:matomesc，项目名称:rkt，代码行数:57，代码来源:enter.go

示例14: runImageExport

func runImageExport(cmd *cobra.Command, args []string) (exit int) {
	if len(args) != 2 {
		cmd.Usage()
		return 1
	}

	s, err := store.NewStore(globalFlags.Dir)
	if err != nil {
		stderr("image export: cannot open store: %v", err)
		return 1
	}

	key, err := getKeyFromAppOrHash(s, args[0])
	if err != nil {
		stderr("image export: %v", err)
		return 1
	}

	aci, err := s.ReadStream(key)
	if err != nil {
		stderr("image export: error reading image: %v", err)
		return 1
	}
	defer aci.Close()

	mode := os.O_CREATE | os.O_WRONLY
	if flagOverwriteACI {
		mode |= os.O_TRUNC
	} else {
		mode |= os.O_EXCL
	}
	f, err := os.OpenFile(args[1], mode, 0644)
	if err != nil {
		if os.IsExist(err) {
			stderr("image export: output ACI file exists (try --overwrite)")
		} else {
			stderr("image export: unable to open output ACI file %s: %v", args[1], err)
		}
		return 1
	}
	defer func() {
		err := f.Close()
		if err != nil {
			stderr("image export: error closing output ACI file: %v", err)
			exit = 1
		}
	}()

	_, err = io.Copy(f, aci)
	if err != nil {
		stderr("image export: error writing to output ACI file: %v", err)
		return 1
	}

	return 0
}

开发者ID:jsarenik，项目名称:rkt，代码行数:56，代码来源:image_export.go

示例15: runRm

func runRm(cmd *cobra.Command, args []string) (exit int) {
	var podUUID *types.UUID
	var podUUIDs []*types.UUID
	var err error

	switch {
	case len(args) == 0 && flagUUIDFile != "":
		podUUID, err = readUUIDFromFile(flagUUIDFile)
		if err != nil {
			stderr("Unable to read UUID from file: %v", err)
			return 1
		}
		podUUIDs = append(podUUIDs, podUUID)

	case len(args) > 0 && flagUUIDFile == "":
		for _, uuid := range args {
			podUUID, err := resolveUUID(uuid)
			if err != nil {
				stderr("Unable to resolve UUID: %v", err)
			} else {
				podUUIDs = append(podUUIDs, podUUID)
			}
		}

	default:
		cmd.Usage()
		return 1
	}

	ret := 0
	for _, podUUID = range podUUIDs {
		p, err := getPod(podUUID)
		if err != nil {
			ret = 1
			stderr("Cannot get pod: %v", err)
		}

		if removePod(p) {
			stdout("%q", p.uuid)
		} else {
			ret = 1
		}
	}

	if ret == 1 {
		stderr("Failed to remove one or more pods")
	}

	return ret
}

开发者ID:matomesc，项目名称:rkt，代码行数:50，代码来源:rm.go

示例16: runTrust

func runTrust(cmd *cobra.Command, args []string) (exit int) {
	if globalFlags.InsecureSkipVerify {
		// --insecure-skip-verify disable the keystore but we need it for rkt trust
		stderr("--insecure-skip-verify cannot be used with rkt trust")
		return 1
	}

	if flagPrefix == "" && !flagRoot {
		if len(args) != 0 {
			stderr("--root required for non-prefixed (root) keys")
		} else {
			cmd.Usage()
		}
		return 1
	}

	if flagPrefix != "" && flagRoot {
		stderr("--root and --prefix usage mutually exclusive")
		return 1
	}

	// if the user included a scheme with the prefix, error on it
	u, err := url.Parse(flagPrefix)
	if err == nil && u.Scheme != "" {
		stderr("--prefix must not contain a URL scheme, omit %s://", u.Scheme)
		return 1
	}

	pkls := args
	if len(pkls) == 0 {
		pkls, err = getPubKeyLocations(flagPrefix, flagAllowHTTP, globalFlags.Debug)
		if err != nil {
			stderr("Error determining key location: %v", err)
			return 1
		}
	}

	// allow override
	if err := addKeys(pkls, flagPrefix, flagAllowHTTP, globalFlags.InsecureSkipVerify, true); err != nil {
		stderr("Error adding keys: %v", err)
		return 1
	}

	return 0
}

开发者ID:NeilW，项目名称:rkt，代码行数:45，代码来源:trust.go

示例17: usageFunc

func usageFunc(cmd *cobra.Command) error {
	subCommands := getSubCommands(cmd)
	commandUsageTemplate.Execute(tabOut, struct {
		Executable  string
		Cmd         *cobra.Command
		CmdFlags    *pflag.FlagSet
		SubCommands []*cobra.Command
		Version     string
	}{
		cliName,
		cmd,
		cmd.Flags(),
		subCommands,
		version.Version,
	})
	tabOut.Flush()
	return nil
}

开发者ID:danieltaborda，项目名称:rkt，代码行数:18，代码来源:help.go

示例18: usageFunc

func usageFunc(cmd *cobra.Command) error {
	subCommands := getSubCommands(cmd)
	tabOut := getTabOutWithWriter(os.Stdout)
	commandUsageTemplate.Execute(tabOut, struct {
		Cmd         *cobra.Command
		LocalFlags  string
		GlobalFlags string
		SubCommands []*cobra.Command
		Version     string
	}{
		cmd,
		rktFlagUsages(cmd.LocalFlags()),
		rktFlagUsages(cmd.InheritedFlags()),
		subCommands,
		version.Version,
	})
	tabOut.Flush()
	return nil
}

开发者ID:matomesc，项目名称:rkt，代码行数:19，代码来源:help.go

示例19: getStage1Hash

// getStage1Hash will try to fetch stage1 from store if it is a
// default one. If that fails it will try to get via usual fetching
// from disk or network.
//
// As a special case, if stage1 image path is a default and not
// overriden by --stage1-image flag and it is has no scheme, it will
// try to fetch it from two places on disk - from the path directly if
// it is absolute and then from the same directory where rkt binary
// resides.
//
// The passed command must have "stage1-image" string flag registered.
func getStage1Hash(s *store.Store, cmd *cobra.Command) (*types.Hash, error) {
	fn := &finder{
		imageActionData: imageActionData{
			s: s,
		},
		storeOnly: false,
		noStore:   false,
		withDeps:  false,
	}

	imageFlag := cmd.Flags().Lookup(stage1ImageFlagName)
	if imageFlag == nil {
		panic(fmt.Sprintf("Expected flag --%s to be registered in command %s", stage1ImageFlagName, cmd.Name()))
	}
	path := imageFlag.Value.String()
	if path == defaultStage1Image {
		return getDefaultStage1Hash(fn, imageFlag.Changed)
	}
	return getCustomStage1Hash(fn, path)
}

开发者ID:ngorskig，项目名称:rkt，代码行数:31，代码来源:stage1hash.go

示例20: getStage1Hash

// getStage1Hash will try to fetch stage1 from store if it is a
// default one. If that fails it will try to get via usual fetching
// from disk or network.
//
// As a special case, if stage1 image path is a default and not
// overriden by --stage1-image flag and it is has no scheme, it will
// try to fetch it from two places on disk - from the path directly if
// it is absolute and then from the same directory where rkt binary
// resides.
//
// The passed command must have "stage1-image" string flag registered.
func getStage1Hash(s *store.Store, cmd *cobra.Command) (*types.Hash, error) {
	fn := &image.Finder{
		S:                  s,
		InsecureFlags:      globalFlags.InsecureFlags,
		TrustKeysFromHttps: globalFlags.TrustKeysFromHttps,

		StoreOnly: false,
		NoStore:   false,
		WithDeps:  false,
	}

	imageFlag := cmd.Flags().Lookup(stage1ImageFlagName)
	if imageFlag == nil {
		panic(fmt.Sprintf("Expected flag --%s to be registered in command %s", stage1ImageFlagName, cmd.Name()))
	}
	path := imageFlag.Value.String()
	if path == defaultStage1Image {
		return getDefaultStage1Hash(fn, imageFlag.Changed)
	}
	return getCustomStage1Hash(fn, path)
}

开发者ID:matomesc，项目名称:rkt，代码行数:32，代码来源:stage1hash.go

注：本文中的github.com/coreos/rkt/Godeps/_workspace/src/github.com/spf13/cobra.Command类示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。